Another round of snow, rain to snarl travel in the Pacific Northwest this weekend

By Kyle Elliott, AccuWeather meteorologist

February 5,2017, 2:34:59AM,EST

 

 

A pair of winter storms will bring additional rounds of rain and snow to storm-weary residents of the Pacific Northwest this weekend.
The first in the series was a continuation of the storm that paralyzed Portland, Oregon, with freezing rain into Friday, causing numerous accidents and resulting in the closure of portions of Interstate 5.
Only wet weather occurred in the I-5 corridor on Saturday, allowing travel conditions to rapidly improve.
Heavy snow fell in portions of the Washington Cascades and Bitterroots of Idaho, causing travel headaches for motorists venturing across Interstate 90 between Missoula, Montana, and Snoqualmie Pass, Washington.

The second storm began to push onshore Saturday night and will continue through Monday morning, bringing an even heavier bout of wintry weather to the Northwest.
As colder air charges into the region on Sunday night, rain along the I-5 corridor between Seattle and Portland will quickly changeover to heavy, wet snow.
“Snowfall accumulation Sunday night between the I-5 corridor and the Cascades from northern Oregon to Washington will depend on elevation,” according to AccuWeather Meteorologist Michael Doll.
While the city of Seattle will pick up only a couple of inches of snowfall, areas just east of the city could receive more than 6 inches, Doll added.
Seattle averages just under 6 inches of snow in a typical winter season. Even a few inches of snow at one time can cause travel delays and shut down major roadways.
Motorists should be prepared for possible road closures from Sunday night into Monday.
Related:
Wintry weather to continue across US into March
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Additionally, the weight of the snow may bring down power lines and cause tree branches to snap.
“Areas that receive more than 4 inches of snow are at risk for power outages,” Doll stated.
An inch or two of snow may even coat Portland late Sunday night, as temperatures turn cold enough to allow rain to change over to snow.
Another 1 to 2 feet of additional snow will bury the Cascades and the Bitterroots through Monday, with over 6 inches expected in portions of the I-5 corridor in southern Washington.
Major airline delays are likely throughout the Northwest as visibility is greatly reduced in the rain and snow.
A brief reprieve from the stormy conditions will arrive on Monday evening.